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ADHESIVE BONDED COMPOSITE-TO-METAL HYBRID VANES AND METHOD OF MANUFACTURE

机译:粘合剂粘结的复合材料 - 金属杂交叶片及制造方法

摘要

The present disclosure provides methods and systems for composite-to-metal hybrid bonded structures compromising the laser surface treatment on titanium alloys to promote adhesive bond performance. For example, a computer may be programmed to set a laser path corresponding to a predetermined geometric pattern. A laser (410, 440; 910) may be coupled to the computer and apply a pulsed laser beam (920) to a contact surface (406; 906; 1106, 1121) of the titanium alloy along the predefined geometric pattern. The laser may generate an open pore oxide layer on the contact surface of the substrate with a thickness of 100 and 500 nm. The open pore oxide layer may have a topography corresponding to the predefined geometric pattern. The topography may contain high degree of open pore structure and promote adhesive bond performance. Adhesive, primer or composite resin matrix may fully infiltrate into the open pore structures. Adhesive and composite laminate may co-cure to form composite-to-titanium hybrid bonded structures.
机译:本公开提供了用于损害对钛合金对钛合金激光表面处理以促进粘合剂粘合性能的方法和系统。例如,可以编程计算机以设置与预定几何图案相对应的激光路径。激光器(410,440; 910)可以耦合到计算机并沿着预定几何图案将脉冲激光束(920)施加到钛合金的接触表面(406; 1106,1121)。激光可以在基板的接触表面上产生厚度为100和500nm的接触表面上的开口孔隙。开孔氧化物层可以具有对应于预定几何图案的形貌。地形可能含有高度开孔结构,促进粘合剂粘合性能。粘合剂,底漆或复合树脂基质可以完全渗透到开放的孔结构中。粘合剂和复合层压材料可以共同固化以形成复合钛杂交键合结构。

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